Word: 废水 (fèishuǐ) Traditional: 廢水 废水 dictionary entry fèishuǐ waste water; drain water; effluent Full dictionary entry for 废水 Example sentences using 废水 2 sentences, showing page 1 of 1. 废水从工厂净化后加以利用。 Fèishuǐ cóng gōngchǎng jìnghuà hòu jiāyǐ lìyòng. Waste water is used after being purified by the treatment plant. 废水要先处理，再排放。 Fèishuǐ yào xiān chǔlǐ, zài páifàng. Waste water must be treated first and then discharged.